925 solid sterling silver chain, imported from Italy Cut from bulk spool, Order more than one to get single chain in longer lengths Flat heart links, Approx 4mm x 5mm, 0.49 mm thickness. Flat heart-shaped links made from round wire, approx 4mm x 5mm, 0.49mm thickness. Made to our specifications, we imported this beautiful, new 925 sterling silver chain directly from the leading Italian manufacturer. Chain is nickel free.